code: def test_transform(self):
      load = TRANSFORMS.build(dict(type="LoadImageFromFile"))
      instaboost_transform = TRANSFORMS.build(dict(type="InstaBoost"))
  
      # Execute transforms
      results = load(self.results)
      results = instaboost_transform(results)
  
      self.assertEqual(results["img"].dtype, np.uint8)
      self.assertIn("instances", results)
  
file_path: mmdetection/tests/test_datasets/test_transforms/test_instaboost.py
imports: import os.path
  import unittest
  import numpy
  from mmdet.registry import TRANSFORMS
  from mmdet.utils import register_all_modules
label_desc: Use image node_id 2 for calling the TestInstaboost obj's underlying member method code with example usage: obj.test_transform() without return types